<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<video id="player" autoplay="autoplay" src="video.mp4" controls="controls"></video>

<div>
    <button id="btn-play">Play</button>
    <button id="btn-pause">Pause</button>
</div>

<script src="main.js"></script>
</body>
</html>